Monitor riser box



FIG. 1 is a top isometric view of a monitor riser box showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 3 is a front elevatioanal view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a monitor riser box, as shown and described. 